[dpdk-dev] [PATCH v13 4/7] build: add aarch32 meson build flags
Juraj Linkeš
juraj.linkes at pantheon.tech
Tue Mar 9 09:36:42 CET 2021
Add aarch32 extra build flags and aarch32 machine flags to generic
machine args.
Also modify how arm flags are updated in meson build - for 32-bit build,
update only if cross-compiling.
Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
Acked-by: Ruifeng Wang <ruifeng.wang at arm.com>
---
config/arm/meson.build | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/config/arm/meson.build b/config/arm/meson.build
index 00bc4610a3..0f14741ebe 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -69,7 +69,14 @@ part_number_config_arm = {
['RTE_ARM_FEATURE_ATOMICS', true],
['RTE_MAX_LCORE', 64]
]
- }
+ },
+ 'aarch32': {
+ 'machine_args': ['-march=armv8-a',
+ '-mfpu=neon'],
+ 'flags': [
+ ['RTE_ARCH_ARM_NEON_MEMCPY', false],
+ ['RTE_ARCH_STRICT_ALIGN', true]
+ ]}
}
implementer_arm = {
'description': 'Arm',
@@ -199,14 +206,23 @@ implementers = {
dpdk_conf.set('RTE_ARCH_ARM', 1)
dpdk_conf.set('RTE_FORCE_INTRINSICS', 1)
+update_flags = false
if dpdk_conf.get('RTE_ARCH_32')
# armv7 build
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
dpdk_conf.set('RTE_ARCH_ARMv7', 1)
- # the minimum architecture supported, armv7-a, needs the following,
- machine_args += '-mfpu=neon'
+ if meson.is_cross_build()
+ update_flags = true
+ implementer_id = meson.get_cross_property('implementer_id')
+ part_number = meson.get_cross_property('part_number')
+ flags_common = []
+ else
+ # the minimum architecture supported, armv7-a, needs the following,
+ machine_args += '-mfpu=neon'
+ endif
else
# aarch64 build
+ update_flags = true
if not meson.is_cross_build()
if machine == 'default'
# default build
@@ -232,7 +248,9 @@ else
implementer_id = meson.get_cross_property('implementer_id')
part_number = meson.get_cross_property('part_number')
endif
+endif
+if update_flags
if implementers.has_key(implementer_id)
implementer_config = implementers[implementer_id]
else
--
2.20.1
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